A source of unknown frequency gives 4 beats/s, when sounded with a ...

Channel:
PW Solutions
Subscribers:
443,000
Published on ● Video Link: https://www.youtube.com/watch?v=dFnOcyVsxrM


Duration: 4:02
174 views
0

A source of unknown frequency gives 4 beats/s, when sounded with a source of known frequency \( 250 \mathrm{~Hz} \). The second harmonic of the source of unknown frequency gives five beats per second, when sounded with a source of - frequency \( 513 \mathrm{~Hz} \). The unknown frequency is
(a) \( 246 \mathrm{~Hz} \)
(b) \( 240 \mathrm{~Hz} \)
(c) \( 260 \mathrm{~Hz} \)
(d) \( 254 \mathrm{~Hz} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-13A Carnot engine working between \( 300 \mathrm{~K} \) and \( 600 \m...
2023-02-13Indicate the following as \( 1^{\circ}, 2^{\circ} \) and \( 3^{\cir...
2023-02-13A right triangular plate \( \mathrm{ABC} \) of mass \( \mathrm{m} \...
2023-02-13Indicate the following as \( 1^{\circ}, 2^{\circ} \) and \( 3^{\cir...
2023-02-13A car is moving towards a high cliff. The car driver sounds a horn ...
2023-02-13Refer to the Carnot cycle of an ideal gas shown in the figure. Let ...
2023-02-13Match the complex species given in Column I with the possible isome...
2023-02-13Assertion : \( \left[\mathrm{Cr}_{2}\left(\mathrm{H}_{2}\right)_{6}...
2023-02-13One twirls a circular ring (of mass \( M \) and radius \( R \) ) ne...
2023-02-13If the rational number \( \frac{a}{b} \) has a terminating decimal ...
2023-02-13A source of unknown frequency gives 4 beats/s, when sounded with a ...
2023-02-13Classify the following compounds as homocyclic, heterocyclic, alicy...
2023-02-13If the angular speed of the earth is doubled, the value of accelera...
2023-02-13\( \mathrm{P} \) A thin rod of mass \( M \) and length \( a \) is f...
2023-02-13If we study the vibration of a pipe open at both ends, then which o...
2023-02-13An urn contains 9 red, 7 white and 4 black balls. A ball is drawn a...
2023-02-13Assertion : \( \quad\left(\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]...
2023-02-13The temperature-entropy diagram of a reversible engine cycle is giv...
2023-02-13A container with rigid walls is covered with perfectly insulating m...
2023-02-13A rigid uniform bar \( \mathrm{AB} \) of length \( \mathrm{L} \) is...
2023-02-13An urn contains 9 red, 7 white and 4 black balls. A ball is drawn a...


Tags:
pw